PTZ surveillance camera



FIG. 1 is a front and bottom perspective view of a PTZ surveillance camera showing our new design;

FIG. 2 is a front and top perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a PTZ surveillance camera, as shown and described. 